From CCP, click the Monitor button and choose Security IPS Status. The IPS Signature Statistics A number of Syslog messages are displayed. Click the Clear button to clear the log.
a. From CCP, click Configure and choose Security Intrusion Prevention Edit IPS Global Settings.
b. Verify that the syslog and SDEE options are enabled. Note: Even if the Syslog and SDEE options are already enabled, click the Edit button and explore the options available in the Edit Global Settings dialog box. Examine the options to learn whether Cisco IOS IPS has set the default to fail opened or to fail closed. Task 7: Verify IPS Functionality with CCP Monitor and Ping In this task, you demonstrate how the Cisco IOS IPS protects against an external attacker using ping. a. From the R2 CLI, ping the R3 Fa01 interface at 192.168.3.1. Were the pings successful? No. The IPS Echo Request signature 2004 blocked the pings.b. From CCP, click the Monitor button and choose Security IPS Status. The IPS Signature Statistics
tab is selected by default. Wait for the screen to populate. c. Scroll down to locate the signature ID 2004 ICMP echo request. You should see an entry similar to the one below indicating that IPS identified the ping attempt from R2. Notice that there are five hits and five drops for signature ID 2004, detected on Fa01 IP address 192.168.3.1. d. From CCP, click the Configure button and choose Router Logging. In the Additional Tasks window, ensure that Syslog is running on R3 by clicking on the Edit button. The window should be similar to this: CCNA Security All contents are Copyright © 1992 –2012 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 34 of 50f. A number of Syslog messages are displayed. Click the Clear button to clear the log.
g. From the R2 CLI, ping the R3 Fa01 interface at 192.168.3.1 again. h. Click the Update button. You will see that the Cisco IOS IPS logged the ping attempts from R2. e. From CCP, click the Monitor button and choose Router Logging. CCNA Security All contents are Copyright © 1992 –2012 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 35 of 50 Task 8: Optional Verify IPS Functionality with CCP Monitor and SuperScan In this task, you will demonstrate how the Cisco IOS IPS protects against an internal attacker that is using SuperScan. SuperScan is a freeware scanning tool that runs with Windows XP that can detect open TCP and UDP ports on a target host. You can perform this task if the SuperScan program is available on PC-C or if it can be downloaded. SuperScan will test the IPS capabilities on R3. You will run the scanning program from PC-C and attempt to scan open ports on router R2. The IPS rule iosips, which is set on R3 Fa01 inbound, should intercept the scanning attempts and send messages to the R3 console and CCP syslog. Step 1: Download the SuperScan program. a. If SuperScan is not on PC-C, download the SuperScan 4.0 tool from the Scanning Tools group at http:www.foundstone.com . b. Unzip the file into a folder. The SuperScan4.exe file is executable and installation is not required. Step 2: Run SuperScan and set scanning options. a. Start SuperScan on PC-C. Click the Host and Service Discovery tab. Check the Timestamp Request check box, and uncheck the Echo Request check box. Scroll through the UDP and TCP port selection lists and notice the range of ports that will be scanned. CCNA Security All contents are Copyright © 1992 –2012 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 36 of 50 b. Click the Scan tab and enter the IP address of R2 S001 10.2.2.2 in the HostnameIP field. Note: You can also specify an address range, such as 10.2.2.1 to 10.2.2.254, by entering an address in the Start IP and End IP fields. The program will scan all hosts with addresses in the range specified. c. Click the button with the blue arrow in the lower left corner of the screen to start the scan. Step 3: Check the results with CCP logging. a. From Cisco CCP, choose Monitor Router Logging. b. Click the Update button. You will see that the Cisco IOS IPS has been logging the port scans generated by SuperScan. c. You should see syslog messages on R3 and entries in the CCP Monitor Log with descriptions that include one of these phrases: “Invalid DHCP Packet” or “DNS Version Request.” d. Close the SuperScan window. Task 9: Compare the Results for Different IPS Configuration Methods. a. On R1, display the running configuration after IPS was configured with IOS CLI commands. Note the commands related to IPS. ip ips config location flash:ipsdir retries 1 ip ips notify SDEE ip ips name iosips ip ips signature-category category all CCNA Security All contents are Copyright © 1992 –2012 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 37 of 50 retired true category ios_ips basic retired false crypto key pubkey-chain rsa named-key realm-cisco.pub signature key-string 30820122 300D0609 2A864886 F70D0101 01050003 82010F00 3082010A 02820101 00C19E93 A8AF124A D6CC7A24 5097A975 206BE3A2 06FBA13F 6F12CB5B 4E441F16 17E630D5 C02AC252 912BE27F 37FDD9C8 11FC7AF7 DCDD81D9 43CDABC3 6007D128 B199ABCB D34ED0F9 085FADC1 359C189E F30AF10A C0EFB624 7E0764BF 3E53053E 5B2146A9 D7A5EDE3 0298AF03 DED7A5B8 9479039D 20F30663 9AC64B93 C0112A35 FE3F0C87 89BCB7BB 994AE74C FA9E481D F65875D6 85EAF974 6D9CC8E3 F0B08B85 50437722 FFBE85B9 5E4189FF CC189CB9 69C46F9C A84DFBA5 7A0AF99E AD768C36 006CF498 079F88F8 A3B3FB1F 9FB7B3CB 5539E1D1 9693CCBB 551F78D2 892356AE 2F56D826 8918EF3C 80CA4F4D 87BFCA3B BFF668E9 689782A5 CF31CB6E B4B094D3 F3020301 0001 quit interface FastEthernet01 ip address 192.168.1.1 255.255.255.0 ip ips iosips in interface Serial000 ip address 10.1.1.1 255.255.255.252 ip ips iosips in logging 192.168.1.3b. On R3, from the menu bar, choose Utilities View Show Running Config to display the running
Parts
» CCNA Security 1.1 Instructor Lab Manual
» Lab A: Researching Network Attacks and Security Audit Tools
» Lab A: Securing the Router for Administrative Access
» Use the username command to create the user ID with the highest possible privilege level and a
» Issue the undebug all or the no debug ntp all command to turn off debugging.
» Click OK in the Commands Delivery Status window.
» Use the show logging command to see the type and level of logging enabled.
» Save the running config to the startup config using the copy run start command.
» Lab A: Securing Administrative Access Using AAA and RADIUS
» Click Send and you should see a Send Access_Request message indicating the server at
» Clear the log on the WinRadius server by choosing Log Clear from the main menu.
» Lab A: Configuring CBAC and Zone-Based Firewalls
» Issue the show run command to review the current basic configuration on R1.
» Display the Extended ACL named autosec_firewall_acl, which is applied to S000 inbound.
» Display the Extended ACL named autosec_firewall_acl that is applied to S000 inbound.
» Click Finish to complete the Firewall wizard.
» Lab A: Configuring an Intrusion Prevention System IPS Using the CLI and CCP
» From the R1 CLI, verify that the directory is present using the dir flash: or dir flash:ipsdir
» Apply the IPS rule to an interface with the ip ips name direction command in interface
» Verify connectivity between R1 and PC-A, the TFTP server, using the ping command.
» Use the show ip ips all command to see an IPS configuration status summary. To which
» For Protocol, select tftp from the drop-down menu. Enter the IP address of the PC-C TFTP server
» Lab A: Securing Layer 2 Switches Instructor Version
» From the router R1 CLI, use the show interface command and record the MAC address of the
» Set the SPAN source interface using the monitor session command in global configuration mode.
» Lab A: Exploring Encryption Methods Instructor
» Lab A: Configuring a Site-to-Site VPN Using Cisco IOS and CCP
» Verify the IKE policy with the show crypto isakmp policy command.
» Save the running config to the startup config for R1 and R3 using the copy run start command.
» Click the Launch the selected task button to begin the CCP Site-to-Site VPN wizard.
» Lab B: Configuring a Remote Access VPN Server and Client
» In the Command Delivery Status window, click OK. How many commands are delivered? 103 with
» Lab C Optional: Configuring a Remote Access VPN Server and Client
» Lab A: Security Policy Development and Implementation
» Verify that R1 and R3 have made an association with R2 using the show ntp associations
» Choose FastEthernet 01 as the Inside Trusted interface and Serial 001 as the Outside Untrusted
» From PC-A, Telnet to R2 at IP address 10.1.1.2 using the vty line password ciscovtypass.
» If the ipsdir directory is not listed, create it.
» Secure the router running configuration and securely archive it in persistent storage flash.
» Lab A: Configuring ASA Basic Settings and Firewall Using CLI
» Display the ASA file system using the show file system command to determine what prefixes are
» Display the current running configuration using the show running-config command.
» You can configure the ASA to accept HTTPS connections using the http command. This allows
» Issue the show route command to display the ASA routing table and the static default route just
» Save the RSA keys to persistent flash memory using either the copy run start or write mem
» Lab B: Configuring ASA Basic Settings and Firewall Using ASDM
» View this Access Rule in ASDM by choosing Configuration Firewall Access Rules. It appears
» Lab C: Configuring Clientless and AnyConnect Remote Access SSL VPNs Using ASDM
» Enable HTTP access to R1 using the ip http server command in global config mode. Also set
» From the Add Bookmark List window, click Add to open the Add Bookmark window. Enter Web Mail as
» Lab D: Configuring a Site-to-Site IPsec VPN Using CCP and ASDM
» Use the reload command to restart the ASA. This will cause the ASA to come up in CLI Setup
» In the Peer Identity section, select Peer with static IP address and enter the IP address of the
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